680579954845 has 16 divisors (see below), whose sum is σ = 965551858560. Its totient is φ = 450590865984.

The previous prime is 680579954839. The next prime is 680579954849. The reversal of 680579954845 is 548459975086.

It is not a de Polignac number, because 680579954845 - 2¹⁷ = 680579823773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680579954849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335260047 + ... + 335262076.

It is an arithmetic number, because the mean of its divisors is an integer number (60346991160).

Almost surely, 2^680579954845 is an apocalyptic number.

It is an amenable number.

680579954845 is a deficient number, since it is larger than the sum of its proper divisors (284971903715).

680579954845 is a wasteful number, since it uses less digits than its factorization.

680579954845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670522164.

The product of its (nonzero) digits is 435456000, while the sum is 70.

The spelling of 680579954845 in words is "six hundred eighty billion, five hundred seventy-nine million, nine hundred fifty-four thousand, eight hundred forty-five".